News & Insights
Cowan, Liebowitz & Latman is Hosting a CLE About Recent Copyright Developments for In-House Counsel
The 2026 Edition is Available of A Trademark is Not a Copyright or a Patent by William M. Borchard with Deborah K. Squiers
National Disability Employment Awareness Month
In Memoriam – J. Christopher Jensen
On My Mind Blog
Case Studies
The Second Circuit affirms summary judgment for our client.
We established that cigarette rolling paper size designations are generic.
Federal Circuit reverses cancellation of U.S. trademark registrations
We succesfully represented our client, Major League Baseball Partners, Inc.
Federal Circuit upholds successful opposition against application to register LEHMAN BROTHERS for whiskey
What They Say
"They work seamlessly as a team, manage projects with efficiency, and cultivate enduring relationships with their clients, who recognize and value their responsiveness, commitment, expertise, and professionalism."
2025 Legal 500"Richard S. Mandel is a phenomenal intellectual property litigator, held in high esteem for deft handling of cases at the forefront of the industry, and is lauded by peers and clients as 'a strong thinker'."
2025 Lexology Index"Cowan, Liebowitz & Latman offers top-notch service at fair rates."
Chambers USA 2025"Mary L. Kevlin is a renowned intellectual property lawyer owing to her open-ended skill in handling the full remit of trademark matters, as well as serving as a leading academic in the field."
2025 Lexology Index"Cowan Liebowitz's attorneys aren't just service providers – they're invaluable partners protecting our brand."
Chambers USA 2025
Why Us
Founded in 1957, we maintain long-term relationships by providing sound advice, quality legal work, and highly-responsive, personalized service.
What We Do
We represent clients of all sizes across a broad range of industries. The boutique size of our firm, and the breadth of our practice capabilities, allow us to provide a multidisciplinary approach in a cost-effective manner.
Our Clients
Our experience spans a broad range of industries and is international in scope. We appreciate the opportunity of growing with successful companies and brands, as well as creative individuals and accomplished executives.










